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  1. D

    PE Exam HVAC and Refrigeration Problem

    I am currently studying for my PE in April. I have been doing the HVAC and Refrigeration practice problems from Engineering Pro Guides. One of the solutions to a problem uses an equation/conversion that differs from the formula I am familiar with and also contradicts a previous solution with the...
  2. D

    PE Practice Solution Inquiry

    I am currently studying for my PE in April. I have been doing the HVAC and Refrigeration practice problems from Engineering Pro Guides. One of the solutions to a problem uses an equation/conversion that differs from the formula I am familiar with and also contradicts a previous solution with the...
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